11745451571 has 8 divisors (see below), whose sum is σ = 13429029984. Its totient is φ = 10063287360.

The previous prime is 11745451567. The next prime is 11745451573. The reversal of 11745451571 is 17515454711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11745451571 - 2² = 11745451567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11745451573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335690 + ... + 369023.

It is an arithmetic number, because the mean of its divisors is an integer number (1678628748).

Almost surely, 2^11745451571 is an apocalyptic number.

11745451571 is a deficient number, since it is larger than the sum of its proper divisors (1683578413).

11745451571 is an equidigital number, since it uses as much as digits as its factorization.

11745451571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707101.

The product of its digits is 98000, while the sum is 41.

The spelling of 11745451571 in words is "eleven billion, seven hundred forty-five million, four hundred fifty-one thousand, five hundred seventy-one".